The television and advertising industries want to make like the Internet and microtarget households. Here's how Twitter is trying to help them reach their goal (and make itself some money in the process).

Keyshawn Johnson, ex-NFL pro and current ESPN commentator, wants to make one thing perfectly clear: He might be helping people remodel rooms on his design series (Keyshawn Johnson: Tackling Design, Saturdays at Noon EST on A&E), but he's a businessman, not an interior designer.